<template>
    <div class='recommend' ref="recommend">
        <scroll ref="scroll" class="recommend-content" :data="discList">
            <div>
                <div v-if="recommends.length" class="slider-wrapper" ref="sliderWrapper">
                    <slider :loop="loop" :autoPlay="autoPlay" :interval='interval'>
                        <div v-for="(item, index) in recommends" :key="index">
                            <a :href="item.h5Url">
                                <img :src="item.picUrl" class="needsclick" @load="loadImage" alt="">
                            </a>
                        </div>
                    </slider>
                </div>
                <div class="recommend-list">
                    <h1 class="list-title">热门歌单推荐</h1>
                    <ul>
                        <li @click="selectItem(item)" v-for="(item, index) in discList" :key="index" class="item">
                            <div class="icon">
                                <img width="60" height="60" v-lazy="item.cover" src="" alt="">
                            </div>
                            <div class="text">
                                <h2 class="name">{{item.rcmdtemplate}}</h2>
                                <p class="desc">{{item.title}}</p>
                            </div>
                        </li>
                    </ul>
                </div>
            </div>
            <div class="loading-container" v-show="!discList.length">
                <loading></loading> 
            </div>
        </scroll>
        <router-view></router-view>
    </div>
</template>

<script>
import Slider from '../../base/slider/slider'
import Loading from '../../base/loading/loading'
import Scroll from '../../base/scroll/scroll'
import { getRecommend, getDiscList } from '../../api/recommend'
import { ERR_OK } from '../../api/config' 
import { playlistMixin } from '../../common/js/mixin'
import { mapMutations } from 'vuex'
export default {
    mixins: [playlistMixin],
    components: {
        Slider,
        Loading,
        Scroll
    },
    data() {
        return {
            loop: true,
            autoPlay: true,
            interval: 1000,
            recommends: [],
            discList: []
        };
    },
    created() {
        this._getRecommend()
        this._getDiscList()
    },
    computed: {},
    methods: {
        handlePlaylist(playlist) {
            const bottom = playlist.length > 0 ? '60px'  : ''

            this.$refs.recommend.style.bottom = bottom
            this.$refs.scroll.refresh()
        },
        loadImage () {
            if(!this.checkloaded) {
                this.checkloaded = true
                this.$refs.scroll.refresh()
            }
        },
        selectItem(item) {
            console.log(item, '鞥斯大林回复');
            this.$router.push({
                path: `/recommend/${item.album_pic_mid}`
            })
            this.setDisc(item)
        },
        _getRecommend() {
            getRecommend().then(res => {
                if(res.result === ERR_OK) {
                    this.recommends = res.data
                }
            })
        },
        _getDiscList() {
            getDiscList().then(res => {
                if(res.result === ERR_OK) {
                    this.discList = res.data.list
                }
            }).catch((e) => {
                console.log(e);
            })
        },
        ...mapMutations({
            setDisc: 'SET_DISC'
        })
    }
}
</script>
<style lang='scss' scoped>
@import '../../common/scss/variable.scss';
.recommend {
    position: fixed;
    width: 100%;
    top: 88px;
    bottom: 0;
    .recommend-content {
        height: 100%;
        overflow: hidden;
        .slider-wrapper {
            position: relative;
            width: 100%;
            overflow: hidden;
        }
        .recommend-list {
            .list-title {
                height: 65px;
                line-height: 65px;
                text-align: center;
                font-size: $font-size-medium;
                color: $color-theme;
            }
            .item {
                display: flex;
                box-sizing: border-box;
                align-items: center;
                padding: 0 20px 20px 20px;
                .icon {
                    flex: 0 0 60px;
                    width: 60px;
                    padding-right: 20px;
                }
                .text {
                    display: flex;
                    flex-direction: column;
                    justify-content: center;
                    flex: 1;
                    line-height: 20px;
                    overflow: hidden;
                    font-size: $font-size-medium;
                    .name {
                        margin-bottom: 10px;
                        color: $color-text;
                    }
                    .desc {
                        color: $color-text-d;
                    }
                }
            }
        }
        .loading-container {
            position: absolute;
            width: 100%;
            top: 50%;
            transform: translateY(-50%);
        }
    }
}
</style>
